BR7700676A - IMPROVEMENT IN ELECTRIC CONTROL UNIT - Google Patents

IMPROVEMENT IN ELECTRIC CONTROL UNIT

Info

Publication number
BR7700676A
BR7700676A BR7700676A BR7700676A BR7700676A BR 7700676 A BR7700676 A BR 7700676A BR 7700676 A BR7700676 A BR 7700676A BR 7700676 A BR7700676 A BR 7700676A BR 7700676 A BR7700676 A BR 7700676A
Authority
BR
Brazil
Prior art keywords
improvement
control unit
electric control
electric
unit
Prior art date
Application number
BR7700676A
Other languages
Portuguese (pt)
Inventor
C Pigman
J Pewton
Original Assignee
Welsh J
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Welsh J filed Critical Welsh J
Publication of BR7700676A publication Critical patent/BR7700676A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
    • H01H19/54—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand the operating part having at least five or an unspecified number of operative positions
    • H01H19/56—Angularly-movable actuating part carrying contacts, e.g. drum switch
    • H01H19/58—Angularly-movable actuating part carrying contacts, e.g. drum switch having only axial contact pressure, e.g. disc switch, wafer switch
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
    • H01H19/02—Details
    • H01H19/10—Movable parts; Contacts mounted thereon
    • H01H19/12—Contact arrangements for providing make-before-break operation, e.g. for on-load tap-changing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
    • H01H19/02—Details
    • H01H19/10—Movable parts; Contacts mounted thereon
    • H01H19/14—Operating parts, e.g. turn knob
    • H01H2019/143—Operating parts, e.g. turn knob having at least two concentric turn knobs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/20—Interlocking, locking, or latching mechanisms
    • H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
BR7700676A 1976-02-04 1977-02-03 IMPROVEMENT IN ELECTRIC CONTROL UNIT BR7700676A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/655,251 US4112274A (en) 1976-02-04 1976-02-04 Electrical control

Publications (1)

Publication Number Publication Date
BR7700676A true BR7700676A (en) 1977-10-11

Family

ID=24628134

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7700676A BR7700676A (en) 1976-02-04 1977-02-03 IMPROVEMENT IN ELECTRIC CONTROL UNIT

Country Status (13)

Country Link
US (1) US4112274A (en)
JP (1) JPS5296310A (en)
AU (1) AU515339B2 (en)
BR (1) BR7700676A (en)
CA (1) CA1072183A (en)
CH (1) CH640079A5 (en)
DE (1) DE2704382A1 (en)
FR (1) FR2340643A1 (en)
GB (1) GB1575022A (en)
NL (1) NL7701039A (en)
NO (1) NO143922C (en)
NZ (1) NZ183244A (en)
ZA (1) ZA7715B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5923008A (en) * 1998-02-20 1999-07-13 Williams, Jr.; Walter Gustave Rotary switch for multiple circuits
FR2800508B1 (en) * 1999-10-29 2002-01-11 Valeo Climatisation ROTARY ELECTRICAL SWITCH WITH POLARITY REVERSE, IN PARTICULAR FOR A VEHICLE HEATING, VENTILATION AND / OR AIR CONDITIONING SYSTEM
DE10312176B3 (en) * 2003-03-19 2004-06-09 Maschinenfabrik Reinhausen Gmbh Load switch for stepping switch with 2 fixed main contact pairs for each current phase to be switched and cooperating movable main contact
FR2884961B1 (en) * 2005-04-26 2007-07-06 Valeo Systemes Thermiques ROTARY CONTROL BUTTON FOR VARIABLE SETPOINT INFORMATION, USING A POTENTIOMETRIC DEVICE
DE102011111808B4 (en) * 2011-08-27 2017-04-20 Audi Ag Separator adapter for a vehicle component test and test method for a vehicle component
JP2013114886A (en) * 2011-11-29 2013-06-10 Hosiden Corp Movable contact and contact structure with the same
CN106165047B (en) * 2013-11-08 2019-06-18 电力产品有限公司 Rotate cell switch
CN104659796B (en) * 2013-11-19 2017-04-26 蔺兰忠 Automatic phase modulator for low-voltage three-phase load unbalance
CN104196972B (en) * 2014-09-16 2017-04-26 任宏宇 Adjustable transmission device for tap switch
US10475603B2 (en) * 2014-11-14 2019-11-12 Power Products, Llc Single throw battery switch with improved contact dome
CN107644770B (en) * 2017-11-10 2020-02-04 大明电子有限公司 Knob speed control switch and have its car electric fan heater

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE190084C (en) *
US447230A (en) * 1891-02-24 Berlain
FR12580E (en) * 1909-06-16 1910-10-11 Herman Bernard Van Daalen Mechanical device for the progressive and successive control of two independent levers by a single drive lever
US1102562A (en) * 1913-06-23 1914-07-07 Nils O Anderson Electric switch.
DE380051C (en) * 1920-07-16 1923-09-03 Jean Driessen Shift lever for electrical breaker
US1861129A (en) * 1929-08-26 1932-05-31 Milliken Humphreys Circuit breaker
US2061887A (en) * 1933-06-30 1936-11-24 Sullivan Machinery Co Electrical controller
DE835620C (en) * 1950-05-06 1952-04-03 Dr Med Karl Lauer Switch with several switch positions with electromagnetic opening and closing of the contacts
US2753432A (en) * 1952-04-17 1956-07-03 Gen Motors Corp Electrical apparatus
US2921147A (en) * 1957-09-03 1960-01-12 Gen Electric Enclosed double rotary switch
US3011041A (en) * 1958-09-30 1961-11-28 Unison Products Company Inc Precision switch and method of construction
BE632521A (en) * 1962-02-08
US3247435A (en) * 1962-12-31 1966-04-19 Ford Motor Co Electrical switch and circuit
US3343115A (en) * 1964-12-02 1967-09-19 Beckman Instruments Inc Electrical resistance element
FR1465625A (en) * 1965-12-01 1967-01-13 Switch and its application, in particular to a transformer or auto-transformer
US3532842A (en) * 1966-08-05 1970-10-06 Gen Electric Switch actuating and control mechanism for vacuum type electric circuit interrupters with lost-motion and bellows biasing means
US3553395A (en) * 1969-01-21 1971-01-05 Westinghouse Electric Corp Vacuum switch operating mechanism with plural dashpot controller means
US3912974A (en) * 1970-02-18 1975-10-14 George Leslie Hill Circuit breaker

Also Published As

Publication number Publication date
FR2340643B1 (en) 1982-03-26
JPS5296310A (en) 1977-08-12
ZA7715B (en) 1977-11-30
CA1072183A (en) 1980-02-19
GB1575022A (en) 1980-09-17
DE2704382A1 (en) 1977-08-18
NL7701039A (en) 1977-08-08
CH640079A5 (en) 1983-12-15
US4112274A (en) 1978-09-05
NO764399L (en) 1977-08-05
AU515339B2 (en) 1981-04-02
FR2340643A1 (en) 1977-09-02
NZ183244A (en) 1980-11-14
NO143922C (en) 1981-05-06
AU2192977A (en) 1978-08-10
NO143922B (en) 1981-01-26

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